diff --git a/homeassistant/components/mqtt/config_integration.py b/homeassistant/components/mqtt/config_integration.py
index 291c1af3276..82f83fd50a0 100644
--- a/homeassistant/components/mqtt/config_integration.py
+++ b/homeassistant/components/mqtt/config_integration.py
@@ -25,7 +25,6 @@ from . import (
     number as number_platform,
     select as select_platform,
     sensor as sensor_platform,
-    siren as siren_platform,
     switch as switch_platform,
     text as text_platform,
     update as update_platform,
@@ -96,10 +95,7 @@ CONFIG_SCHEMA_BASE = vol.Schema(
             cv.ensure_list,
             [sensor_platform.PLATFORM_SCHEMA_MODERN],  # type: ignore[has-type]
         ),
-        Platform.SIREN.value: vol.All(
-            cv.ensure_list,
-            [siren_platform.PLATFORM_SCHEMA_MODERN],  # type: ignore[has-type]
-        ),
+        Platform.SIREN.value: vol.All(cv.ensure_list, [dict]),
         Platform.SWITCH.value: vol.All(
             cv.ensure_list,
             [switch_platform.PLATFORM_SCHEMA_MODERN],  # type: ignore[has-type]
diff --git a/homeassistant/components/mqtt/siren.py b/homeassistant/components/mqtt/siren.py
index 7978776a089..3ba7df84cc9 100644
--- a/homeassistant/components/mqtt/siren.py
+++ b/homeassistant/components/mqtt/siren.py
@@ -2,7 +2,6 @@
 from __future__ import annotations
 
 from collections.abc import Callable
-import functools
 import logging
 from typing import Any, cast
 
@@ -32,7 +31,7 @@ import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.json import json_dumps
 from homeassistant.helpers.template import Template
-from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType, TemplateVarsType
+from homeassistant.helpers.typing import ConfigType, TemplateVarsType
 from homeassistant.util.json import JSON_DECODE_EXCEPTIONS, json_loads_object
 
 from . import subscription
@@ -52,7 +51,7 @@ from .debug_info import log_messages
 from .mixins import (
     MQTT_ENTITY_COMMON_SCHEMA,
     MqttEntity,
-    async_setup_entry_helper,
+    async_mqtt_entry_helper,
     write_state_on_attr_change,
 )
 from .models import (
@@ -122,21 +121,15 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up MQTT siren through YAML and through MQTT discovery."""
-    setup = functools.partial(
-        _async_setup_entity, hass, async_add_entities, config_entry=config_entry
+    await async_mqtt_entry_helper(
+        hass,
+        config_entry,
+        MqttSiren,
+        siren.DOMAIN,
+        async_add_entities,
+        DISCOVERY_SCHEMA,
+        PLATFORM_SCHEMA_MODERN,
     )
-    await async_setup_entry_helper(hass, siren.DOMAIN, setup, DISCOVERY_SCHEMA)
-
-
-async def _async_setup_entity(
-    hass: HomeAssistant,
-    async_add_entities: AddEntitiesCallback,
-    config: ConfigType,
-    config_entry: ConfigEntry,
-    discovery_data: DiscoveryInfoType | None = None,
-) -> None:
-    """Set up the MQTT siren."""
-    async_add_entities([MqttSiren(hass, config, config_entry, discovery_data)])
 
 
 class MqttSiren(MqttEntity, SirenEntity):